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LM3269TLX/NOPB

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$ 1.86

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Texas Instruments LM3269TLX/NOPB

The LM3269 is buck-boost DC-DC converter designed to generate output voltages above or
below a given input voltage and is particularly suitable for portable applications powered by a
single-cell Li-ion battery.

The LM3269 operates at a 2.4-MHz typical switching frequency in full synchronous
operation and provides seamless transitions between buck and boost operating regimes. The LM3269
operates in energy-saving Pulse Frequency Modulation (PFM) mode for increased efficiencies and
current savings during low-power RF transmission modes.

The power converter topology needs only one inductor and two capacitors. A unique
internal power switch topology enables high overall efficiency.

The LM3269 is internally compensated for buck and boost modes of operation, thus
providing an optimal transient response.

When considering using the LM3269 in a system design, please review the layout
instructions at the end of this document.